Cardiovascular fitness and physical activity in children with and without impaired glucose tolerance

Gabriel Shaibi, G. D C Ball, M. L. Cruz, M. J. Weigensberg, G. J. Salem, M. I. Goran

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Objective: To examine differences in cardiovascular fitness (VO 2max) and physical activity levels in overweight Hispanic children with normal glucose tolerance (NGT) vs impaired glucose tolerance (IGT). Participants: A total of 173 overweight (BMI percentile 97.0±3.1) Hispanic children ages 8-13 years with a family history of type 2 diabetes. Methods: VO2max was measured via a maximal effort treadmill test and open circuit spirometry. Physical activity was determined by questionnaire. Glucose tolerance was established by a 2-h oral glucose challenge (1.75 g of glucose/kg body weight). IGT was defined from an oral glucose tolerance test as a 2-h plasma glucose level ≥140 and <200mg/dl. Results: IGT was detected in 46 of the 173 participants (∼27%); no cases of type 2 diabetes were identified. No significant differences were found between youth with NGT and those with IGT in absolute VO2max (2.2±0.6 vs 2.1±0.5 l/min), VO2max adjusted for gender, age, and body composition (2.2±0.2 vs 2.1±0.2 l/min), or recreational physical activity levels (8.7±8.2 vs 6.9±6.2 h/week). Conclusion: Overweight Hispanic youth with IGT exhibit similar levels of VO2max and physical activity compared to their NGT counterparts. Longitudinal analyses are necessary to determine whether fitness/activity measures contribute significantly to diabetes risk over time in this group.

Original languageEnglish (US)
Pages (from-to)45-49
Number of pages5
JournalInternational Journal of Obesity
Volume30
Issue number1
DOIs
StatePublished - Jan 2006
Externally publishedYes

Fingerprint

Glucose Intolerance
glucose tolerance
physical activity
Exercise
Glucose
Hispanic Americans
Type 2 Diabetes Mellitus
noninsulin-dependent diabetes mellitus
glucose
Spirometry
Glucose Tolerance Test
Body Composition
cultural heritage
Exercise Test
exercise test
Body Weight
body composition
diabetes
mouth
questionnaires

Keywords

  • Insulin resistance
  • Pre-diabetes
  • Youth

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Public Health, Environmental and Occupational Health
  • Endocrinology
  • Food Science
  • Endocrinology, Diabetes and Metabolism

Cite this

Cardiovascular fitness and physical activity in children with and without impaired glucose tolerance. / Shaibi, Gabriel; Ball, G. D C; Cruz, M. L.; Weigensberg, M. J.; Salem, G. J.; Goran, M. I.

In: International Journal of Obesity, Vol. 30, No. 1, 01.2006, p. 45-49.

Research output: Contribution to journalArticle

Shaibi, Gabriel ; Ball, G. D C ; Cruz, M. L. ; Weigensberg, M. J. ; Salem, G. J. ; Goran, M. I. / Cardiovascular fitness and physical activity in children with and without impaired glucose tolerance. In: International Journal of Obesity. 2006 ; Vol. 30, No. 1. pp. 45-49.
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